Results 31 to 40 of about 4,986 (198)

Biological early diagenesis and insolation-paced paleoproductivity signified in deep core sediment organic matter

Scientific Reports, 2017
The dynamics of a large stock of organic matter contained in deep sediments of marginal seas plays pivotal role in global carbon cycle, yet it is poorly constrained.
Meilian Chen, Ji-Hoon Kim, Jiyoung Choi, Yun Kyung Lee, Jin Hur   +4 more
doaj   +1 more source

The ability of dissolved organic matter (DOM) to influence benzo[a]pyrene bioavailability increases with DOM biodegradation

Ecotoxicology and Environmental Safety, 2005
The biodegradation of two substrates and the ability of dissolved organic matter (DOM) to influence benzo[a]pyrene bioavailability as DOM biodegradation progressed were monitored in reactors. Substrates were composed of algae extracts and an artificial substrate that mimics raw wastewater, which were considered to be autochthonous and anthropogenic ...
Gourlay-Francé, Catherine, Tusseau-Vuillemin, Marie-Hélène, Mouchel, Jean-Marie, Garric, Jeanne   +3 more
openaire   +3 more sources

Humic, terrestrially derived dissolved organic matter is associated with higher methylmercury concentrations in prairie wetland ponds

FACETS
Dissolved organic matter (DOM) comprises most of the organic matter in the water column of surface waters, playing important roles in biogeochemical cycles, including that of mercury. We characterized DOM in surface water of wetlands ponds located in the
Faraz Khan, Zohra Zahir, Britt D. Hall
doaj   +1 more source

Dissolved organic matter (DOM) in the open Mediterranean Sea. II: Basin–wide distribution and drivers of fluorescent DOM [PDF]

Progress in Oceanography, 2019
93
Alba María Martínez–Pérez, Teresa S. Catalá, Mar Nieto–Cid, Jaime Otero, Marta Álvarez, Mikhail Emelianov, Isabel Reche, Xosé Antón Álvarez–Salgado, Javier Arístegui   +8 more
openaire   +5 more sources

Composition Wheels: Visualizing dissolved organic matter using common composition metrics across a variety of Canadian ecozones.

PLoS ONE, 2021
Dissolved organic matter (DOM) is a ubiquitous component of aquatic systems, impacting aquatic health and drinking water quality. These impacts depend on the mixture of organic molecules that comprise DOM.
Pieter J K Aukes, Sherry L Schiff
doaj   +1 more source

Phototransformation of riverine dissolved organic matter (DOM) in the presence of abundant iron: Effect on DOM bioavailability [PDF]

Limnology and Oceanography, 2004
We conducted studies with high‐molecular‐weight (HMW) and low‐molecular‐weight (LMW), hydrophobic, and hydrophilic dissolved organic matter (DOM) from an oligotrophic alpine river, the Tagliamento River (Italy), to assess the effect of light on DOM utilization by riverine bacterioplankton.
Edith Kaiser1, Barbara Sulzberger
openaire   +1 more source

Chemical Speciation of Dissolved Copper Controlled by Dissolved Organic Matter in Hypersaline Coastal Waters of Kuwait Bay

Journal of Marine Science and Engineering
Copper (Cu) is a biologically important trace metal in marine environments, and its chemical speciation is strongly influenced by interactions with dissolved organic matter (DOM), which can significantly regulate its bioavailability and toxicity.
Turki Al-Said, Parthasarathi Chakraborty, Amit Sarkar, Loreta Fernandes, Rakhesh Madhusoodhanan, Faiza Al-Yamani   +5 more
doaj   +1 more source

An Effect-Based Method to Evaluate Spatio-Temporal Variations of Coastal Marine DOM Properties

Journal of Marine Science and Engineering, 2023
Marine dissolved organic matter (DOM) is a key component of the global carbon cycle. While marine DOM properties are usually characterized by chemical approaches, an effort to integrate its variations in an ecological perspective is needed. Heterotrophic
Clara Dignan, Véronique Lenoble, Olivier Pringault, Benjamin Misson   +3 more
doaj   +1 more source

Dissolved organic matter thiol concentrations determine methylmercury bioavailability across the terrestrial-marine aquatic continuum

Nature Communications, 2023
The most critical step for methylmercury (MeHg) bioaccumulation in aquatic food webs is phytoplankton uptake of dissolved MeHg. Dissolved organic matter (DOM) has been known to influence MeHg uptake, but the mechanisms have remained unclear. Here we show
Emily Seelen, Van Liem-Nguyen, Urban Wünsch, Zofia Baumann, Robert Mason, Ulf Skyllberg, Erik Björn   +6 more
doaj   +1 more source

Carbon‐Negative Upcycling of Sewage Sludge into Superiorly Stable Gel Via Liquid‐Phase Utilization Strategy for Water‐Remediation

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
This work developed a low‐temperature sludge hydrothermal coupled with gel crosslinking strategy which could upgrade the waste liquid generated from sewage sludge hydrothermal treatment into the hydrothermal‐liquid‐gel. The inventive hydrothermal‐liquid‐gel exhibited the enhanced pollutant removal capability, high synthetic stability, and superior ...
Zifan Liu, Sunxinyi Wang, Lingxiao Lu, Weiguo Zhang, Qiang Zheng, Cailiang Yue, Huimin Chang, Xiaohui Lu, Ming Xu, Zhi Qian, Qing Zhou, Fuqiang Liu, Baoshan Xing   +12 more
wiley   +1 more source